.handler{
    background:#fff;
    overflow: hidden;
    width: 100px;
    position: fixed;
    z-index: 99;
    text-align: center;
    list-style: none;
    margin: 0;
    padding:5px 0;
    box-sizing: border-box;
    border: 1px solid #ececec;
    box-shadow: 1px 2px 1px rgba(0,0,0,.15);
}
.handler>li{
    width: 100%;
    height: 24px;
    font-size:13px;
    line-height: 24px;
    padding:0 5px;
    box-sizing: border-box;
    cursor: pointer !important;
}
.handler>li:hover{
    background:#f8f8f8;
    color: #333;
}